Example 3: Level 2 CHECK INDEX of a partitioned table space


This example illustrates a CHECK INDEX job that checks for consistency between table space rows and index entries and performs intrapage and interpage checking for all indexes that are defined on the partitions that are specified in the PART option. The job also performs intrapage checking for all table space pages in the specified partitions. The example allocates 12 SORTWK data sets allowing the sort process to multitask.

This CHECK INDEX job reports a one-page error (see message BMC52288I). Messages BMC52220I and BMC52402W explain the error. In addition, message BMC52500W reports two key mismatches. Because of the page error, the utility terminates with return code 4.

Message 50041I indicates the status of zIIP processing. For this example, the ZIIP installation option is ENABLED, but an XBM subsystem was not specified. CHECK PLUS automatically located an available XBM subsystem to provide zIIP processing.

 Command options  for example 3

Command options used in JCL

Description

NAME

Identifies the indexes to check.

In this example, the NAME option specifies the partitioned index.

PART

Specifies the partitions to check.

CHECKIXLEVEL 2

Performs all CHECKIXLEVEL 1 checks plus checks on the correct relationships between index keys and table rows.

CHECKTSLEVEL 1

Performs primarily intrapage checks on header pages, space map pages, and data pages in the specified table space.


JCL for example 3

//        JOBCARD
//*===================================================================
//*====  Level 2 CHECK INDEX of a partitioned table space         ====
//*================================================================*
//*  Use your DB2 subsystem name inplace of "DB2SYS" parm parameter.  *
//*  Use your DB2 product install libraries for STEPLIBS ;            *
//*     PRODUCT.LIBRARIES                                             *
//*     DB2.DSNEXIT                                                   *
//*     DB2.DSNLOAD                                                   *
//*================================================================*
//CHECK03   EXEC PGM=ACKUMAIN,
//          PARM=(DB2SYS,ACKEX03,NEW,,'MSGLEVEL(1)')
//STEPLIB  DD DISP=SHR,DSN=PRODUCT.LIBRARIES
//         DD DISP=SHR,DSN=DB2.DSNEXIT
//         DD DISP=SHR,DSN=DB2.DSNLOAD
//SYSIN     DD  *
CHECK INDEX NAME (ACK.ACKP0511)
            PART 1,2
            CHECKIXLEVEL 2
            CHECKTSLEVEL 1
//SYSPRINT  DD DSN=ACK.EXAMPL03.SYSPRINT,
//           UNIT=SYSDA,SPACE=(CYL,(1,1)),DISP=(NEW,CATLG)
//UTPRINT   DD SYSOUT=*
//SORTWK01  DD DISP=(NEW,DELETE),
//             UNIT=SYSDA,SPACE=(CYL,(3,3))
//SORTWK02  DD DISP=(NEW,DELETE),
//             UNIT=SYSDA,SPACE=(CYL,(3,3))
//SORTWK03  DD DISP=(NEW,DELETE),
//             UNIT=SYSDA,SPACE=(CYL,(3,3))
//SORTWK04  DD DISP=(NEW,DELETE),
//             UNIT=SYSDA,SPACE=(CYL,(3,3))
//SORTWK05  DD DISP=(NEW,DELETE),
//             UNIT=SYSDA,SPACE=(CYL,(3,3))
//SORTWK06  DD DISP=(NEW,DELETE),
//             UNIT=SYSDA,SPACE=(CYL,(3,3))
//SORTWK07  DD DISP=(NEW,DELETE),
//             UNIT=SYSDA,SPACE=(CYL,(3,3))
//SORTWK08  DD DISP=(NEW,DELETE),
//             UNIT=SYSDA,SPACE=(CYL,(3,3))
//SORTWK09  DD DISP=(NEW,DELETE),
//             UNIT=SYSDA,SPACE=(CYL,(3,3))
//SORTWK10  DD DISP=(NEW,DELETE),
//             UNIT=SYSDA,SPACE=(CYL,(3,3))
//SORTWK11  DD DISP=(NEW,DELETE),
//             UNIT=SYSDA,SPACE=(CYL,(3,3))
//SORTWK12  DD DISP=(NEW,DELETE),
//             UNIT=SYSDA,SPACE=(CYL,(3,3))

SYSPRINT for example 3

1                               *****  B M C   C H E C K   P L U S   F O R   D B 2    V13R1.00  *****
                                             (C) COPYRIGHT 1993 - 2022 BMC SOFTWARE, INC.
               CHECK PLUS TECHNOLOGY IS PROTECTED BY ONE OR MORE OF THE FOLLOWING U.S. PATENTS: 5,579,515 AND 6,163,783
-BMC50001I UTILITY EXECUTION STARTING    3/20/2022   19:33:29 ...
 BMC50002I UTILITY ID = 'ACKEX03'.  DB2 SUBSYSTEM ID = 'DEJM'.  OPTION MODULE = 'ACK$OPTS'.
 BMC50471I z/OS 2.4.0,PID=HBB77C0,DFSMS FOR Z/OS=2.4.0,DB2=12.1.510
 BMC50471I REGION=0M,BELOW 16M=8.6M,ABOVE 16M=999.7M,IEFUSI=NO,CPUs=7,GPs=5,zIIPs=2
 BMC50471I MEMLIMIT=15.9E,AVAILABLE=15.9E,MEMLIMIT SET BY:REGION=0
 BMC50471I SMFID=DB2B,JOBID=J0248260,JOB=ACKEX03,STEP=CHECK03,CPU=8561-615 (z15)/1.71,76.0G
0
 BMC50471I CHECK PLUS FOR DB2--V13.01.00 BASE
 BMC50471I   NO MAINTENANCE TO REPORT
 BMC50471I DB2 UTILITIES COMMON CODE--V13.01.00 BASE
 BMC50471I   NO MAINTENANCE TO REPORT
 BMC50471I SOLUTION COMMON CODE--V13.01.00 BASE
 BMC50471I   MAINT: BPJ1541  BPJ1713  BPJ2211
 BMC50471I BMCSORT ENGINE--V02.04.01
 BMC50471I   MAINT: BPJ0691  BPJ0718  BPJ0881  BPJ0922  BPJ0996  BPJ1164  BPJ1309  BPJ1386  BPJ1497  BPJ1594  BPJ1724  BPJ1809
 BMC50471I          BPJ1833  BPJ1891  BPJ1905  BPJ2109  BPJ2232  BPJ2297
 BMC50471I BMC STATS API--V13.01.00 BASE
 BMC50471I   NO MAINTENANCE TO REPORT
 BMC50471I EXTENDED BUFFER MANAGER--V06.02.01
 BMC50471I   MAINT: BPE0443  BPE0445  BPE0447  BPE0449  BPE0450  BPE0451  BPE0452  BPE0455  BPE0456  BPE0457  BPE0460  BPE0463
 BMC50471I          BPE0467  BPE0468  BPE0469  BPE0473  BPE0474  BPE0475  BPE0479  BPE0480  BPE0482  BPE0487  BPE0488  BPE0489
 BMC50471I          BPE0493  BPE0497  BPE0498  BPE0501  BPE0503  BPE0507  BPE0512  BPE0513  BPE0517  BPE0518  BPE0519  BPE0523
 BMC50471I          BPE0524  BPE0527  BPE0528  BPE0530  BPE0531  BPE0534  BPE0535  BPE0540  BPE0541  BPE0542  BPE0545  BPE0549
 BMC50471I          BPE0551  BPE0552  BPE0555  BPE0556  BPE0557  BPE0560
0
 BMC50471I DRNDELAY=3                              LOADDECP=NO                             SQLDELAY=3
 BMC50471I DRNRETRY=10                             LOCKROW=YES                             SQLRETRY=100
 BMC50471I DRNWAIT=NONE                            MAXP=5                                  UXSTATE=SUP
 BMC50471I DSER=NO                                 MSGLEVEL=1                              WBUFFS=20
 BMC50471I DSPLOCKS=NONE                           OPNDB2ID=YES                            WORKUNIT=SYSALLDA
 BMC50471I FILECHK=WARN                            PLAN=ACK1310T                           XBLKS=3
 BMC50471I FORCE_AT=(START,3)                      SMAX=16                                 ZIIP=ENABLED
 BMC50471I FORCE_RPT=NO                            SMCORE=(0K,0K)
 BMC50471I FORCE=NONE                              SORTNUM=32
0

 BMC50471I DB2 DSNHDECP MODULE SETTINGS:
 BMC50471I VERSION                 = 1210
 BMC50471I SUBSYSTEM DEFAULT       = DEJM
 BMC50471I CHARACTER SET           = ALPHANUM
 BMC50471I DATE FORMAT             = USA
 BMC50471I TIME FORMAT             = USA
 BMC50471I LOCAL DATE LENGTH       = 0
 BMC50471I LOCAL TIME LENGTH       = 0
 BMC50471I DECIMAL POINT           = PERIOD
 BMC50471I DECIMAL ARITHMETIC      = 15
 BMC50471I DELIMITER               = DEFAULT
 BMC50471I SQL DELIMITER           = DEFAULT
 BMC50471I ENCODING SCHEME         = EBCDIC
 BMC50471I APPL. ENCODING SCHEME   = EBCDIC
 BMC50471I MIXED                   = NO
 BMC50471I EBCDIC CCSID            = (37,65534,65534)
 BMC50471I ASCII CCSID             = (819,65534,65534)
 BMC50471I UNICODE CCSID           = (367,1208,1200)
 BMC50471I IMPLICIT TIME ZONE      = CURRENT (-05:00)

 BMC50658I DB2 CURRENT FUNCTION LEVEL IS V12R1M509
 BMC50659I DB2 CATALOG LEVEL IS V12R1M509
 BMC50660I DB2 HIGHEST ACTIVATED FUNCTION LEVEL IS V12R1M509
 BMC50661I DB2 CODE LEVEL IS V12R1M510

 BMC50471I BMC_BMCUTIL       ='BMCUTIL.CMN_BMCUTIL'
 BMC50471I BMC_BMCSYNC       ='BMCUTIL.CMN_BMCSYNC'
 BMC50471I BMC_BMCHIST       ='BMCUTIL.CMN_BMCHIST'
 BMC50471I BMC_BMCRELS       ='ACKIB2.BMCRELS'
 BMC50471I BMC_BMCFKEY       ='ACKIB2.BMCFKEY'
 BMC50471I BMC_BMCPKEY       ='ACKIB2.BMCPKEY'
 BMC50471I BMC_BMCKEYS       ='ACKIB2.BMCKEYS'
0
0
 BMC50102I CHECK INDEX NAME (ACK.ACKP0511)
 BMC50102I             PART 1,2
 BMC50102I             CHECKIXLEVEL 2
 BMC50102I             CHECKTSLEVEL 1

 BMC50041I 0: ZIIP  ENABLED (0) USING XBM SUBSYSTEM XBMB
 BMC50004I UTILINIT PHASE COMPLETE.  ELAPSED TIME = 00:00:00

 BMC50474I BELOW 16M = 8348K, ABOVE 16M = 1018040K, CPUS = 5
 BMC52230I MAX TASKS = 2, MAX PARTS/TASK = 2, SORTWKS/TASK =  6, MAX OPEN PARTS/TASK = 2, MAX INDEXES/TASK = 1

 BMC50894I PAGE EXTERNALIZATION PROCESS STARTING AT   3/20/2022  19:33:30

 BMC50650I ESTABLISHING A POINT OF CONSISTENCY FOR:
 BMC50651I SPACE ACKPDB.ACKPS05 PART(1:2) PSID(0002)
 BMC50651I SPACE ACKPDB.ACKP0511 PART(1:2) PSID(0005)

 BMC50895I PAGE EXTERNALIZATION PROCESS COMPLETE.  ELAPSED TIME =  00:00:00

 BMC52286I 1: CHECKING OF DATASET 'DEJMCAT.DSNDBD.ACKPDB.ACKP0511.I0001.A002' READ 5 PAGES
 BMC52220I MESSAGES FOR TABLE SPACE 'ACKPDB.ACKPS05' PART 1 PAGE 00000001
 BMC52402W   UNEXPECTED PGNUMBER  00000010
 BMC52409I   PGCOMB INDICATES PAGE MODIFIED BY REPAIR UTILITY
 BMC52286I 1: CHECKING OF DATASET 'DEJMCAT.DSNDBD.ACKPDB.ACKPS05.I0001.A002' READ 34 PAGES
 BMC50481I 1: SORT COMPLETE.  ELAPSED TIME = 00:00:00
 BMC52220I MESSAGES FOR TABLE SPACE 'ACKPDB.ACKPS05' PART 1 PAGE 00000022
 BMC52409I   PGCOMB INDICATES PAGE MODIFIED BY REPAIR UTILITY
 BMC52286I 2: CHECKING OF DATASET 'DEJMCAT.DSNDBD.ACKPDB.ACKPS05.I0001.A001' READ 34 PAGES
 BMC52286I 2: CHECKING OF DATASET 'DEJMCAT.DSNDBD.ACKPDB.ACKP0511.I0001.A001' READ 5 PAGES
 BMC50481I 2: SORT COMPLETE.  ELAPSED TIME = 00:00:00
 BMC52500W ACK.ACKP0511 KEYS MISMATCH FOR RID 0000002201. DATA '09', INDEX '01'
 BMC52500W ACK.ACKP0511 KEYS MISMATCH FOR RID 0000002203. DATA '10', INDEX '00'
 BMC50481I 1: CHECK TASK COMPLETE.  ELAPSED TIME = 00:00:00
 BMC50481I 2: CHECK TASK COMPLETE.  ELAPSED TIME = 00:00:00
 BMC52278I 424 ENTRIES CHECKED FOR (PGSIZE  4K) INDEX 'ACK.ACKP0511,' 2 ERRORS
 BMC52288I CHECK ERROR SUMMARY: PAGE EXCEPTIONS-3, CONSTRAINT VIOLATIONS-0
 BMC50004I CHECK PHASE COMPLETE.  ELAPSED TIME = 00:00:00

 BMC50041I 0: ZIIP NOT ENABLED (0) USING XBM SUBSYSTEM XBMB
0BMC50006I UTILITY EXECUTION COMPLETE, RETURN CODE = 4

 

Tip: For faster searching, add an asterisk to the end of your partial query. Example: cert*